Overview
The L9779WD-SPI-TR is a multifunction integrated circuit designed by STMicroelectronics for use in automotive engine management systems. It is implemented in BCD6S technology and is assembled in the HiQUAD-64 power package. This IC provides all the basic functions required for standard engine management control units, making it a comprehensive solution for automotive applications.
Key Specifications
| Attribute | Description |
|---|---|
| Package | HiQUAD-64 |
| Packing | Tape and Reel |
| Mounting Method | Surface Mount |
| Voltage Regulators | 5 V logic regulator, 3.3 V logic regulator, 5 V tracking sensor supply |
| Power Management | Smart reset function, Power latch with Secure Engine Off (SEO) functionality |
| Driver Functions | Protected low-side relay drivers, Protected low-side injector drivers, IGBT pre-drivers |
| Communication Interfaces | SPI interface, ISO9141 interface (K-Line), High speed CAN transceiver |
| Thermal Management | Thermal warning and shutdown |
| Compliance | VDA 2.0 compliance with 3 level Watchdog |
Key Features
- 5 V and 3.3 V logic regulators
- 5 V tracking sensor supply
- Smart reset function and power latch with Secure Engine Off (SEO) functionality
- Flying wheel interface function (VRS) with adaptive time and amplitude control
- Protected low-side relay drivers and injector drivers
- IGBT pre-drivers with parallel input
- Configurable power stages (CPS) for stepper motor driver or high-side/low-side drivers
- Serial interface – SPI 16-bit frame, ISO9141 interface (K-Line), and high speed CAN transceiver
- Thermal warning and shutdown
- VDA 2.0 compliance with 3 level Watchdog
Applications
The L9779WD-SPI-TR is specifically designed for automotive engine management systems. It is used in various automotive applications such as engine control units, fuel injection systems, ignition systems, and other power management systems within vehicles.
Q & A
- What is the primary application of the L9779WD-SPI-TR? The primary application is in automotive engine management systems.
- What package type is the L9779WD-SPI-TR assembled in? It is assembled in the HiQUAD-64 power package.
- What are the key voltage regulators provided by the L9779WD-SPI-TR? It includes 5 V and 3.3 V logic regulators and a 5 V tracking sensor supply.
- Does the L9779WD-SPI-TR have thermal management features? Yes, it includes thermal warning and shutdown features.
- What communication interfaces are supported by the L9779WD-SPI-TR? It supports SPI interface, ISO9141 interface (K-Line), and high speed CAN transceiver.
- Is the L9779WD-SPI-TR compliant with any specific automotive standards? Yes, it is compliant with VDA 2.0 and includes a 3 level Watchdog.
- What type of drivers are included in the L9779WD-SPI-TR? It includes protected low-side relay drivers, injector drivers, and IGBT pre-drivers.
- How is the L9779WD-SPI-TR packaged for distribution? It is packaged in tape and reel format.
- What is the mounting method for the L9779WD-SPI-TR? It uses surface mount technology.
- Does the L9779WD-SPI-TR have any smart reset functions? Yes, it includes a smart reset function and power latch with Secure Engine Off (SEO) functionality.
